CN204082314U - A kind of pressurized machine exhaust gas by-pass valve - Google Patents
A kind of pressurized machine exhaust gas by-pass valve Download PDFInfo
- Publication number
- CN204082314U CN204082314U CN201420486745.9U CN201420486745U CN204082314U CN 204082314 U CN204082314 U CN 204082314U CN 201420486745 U CN201420486745 U CN 201420486745U CN 204082314 U CN204082314 U CN 204082314U
- Authority
- CN
- China
- Prior art keywords
- cylindrical
- exhaust gas
- valve
- boss
- pass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002699 waste material Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 36
- 239000002912 waste gas Substances 0.000 claims description 10
- 238000013022 venting Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model relates to a kind of pressurized machine exhaust gas by-pass valve, comprise final controlling element, it is characterized in that: also comprise cylindrical valve (4), be positioned between the by-pass flow feeder connection (2) of this cylinder waste gate passage and by-pass flow channel outlet (3) in the cylinder waste gate passage that cylindrical valve (4) is placed on turbine case (1), the cylindrical valve of actuator driven (4) axial-rotation is to realize being communicated with or disconnection of by-pass flow feeder connection (2) and by-pass flow channel outlet (3); Cylindrical valve (4) is a cylindrical structure, this cylindrical structure one end is open, the other end is provided with a boss (43), boss (43) is connected by some pull bars (44) and cylindrical structure, boss (43) is provided with a rotating shaft (42), rotating shaft (42) is connected with final controlling element push rod (8) by rocking arm (6), bearing pin (7) afterwards through blanking cover (5), the cylndrical surface of this cylindrical structure is provided with a hatch frame as valve openings (41).
Description
Technical field
The utility model belongs to the accessory technical field of engine supercharger, is specifically related to a kind of pressurized machine exhaust gas by-pass valve.
Background technique
During vehicle engine booster work, the waste gas that motor is discharged passes into the turbo machine of pressurized machine, and high-temp waste gas promotes the turbine high speed rotating in turbo machine, discharges afterwards.The turbine rotated drives coaxial compressor impeller high speed rotating by rotating shaft, and then pressurized air, realizes the supercharging to motor.In order to make pressurized machine and motor realize matched well when low speed, need to adopt the turbo machine compared with ting model.But exhaust gas flow increases when high speed, will produce and block or hypervelocity.This just needs exhaust vent valve, and handles the final controlling element of bleed valve.Conventional venting valve is disc-type at present.The opening and closing of valve is controlled by final controlling element.Power, by push rod, is delivered to rocking arm, rocking arm is rotated, and drive bleed valve valve to realize the action of open and close by final controlling element.The venting valve of this structure is easily manufactured, good reliability, but the valve of this structure exists following problem usually:
1) for positive-pressure type final controlling element, under exhaust gas pressure and boost charge-air pressure acting in conjunction, open when pressure reaches a certain setting value.And after valve open, portion bypass is discharged, the exhaust gas pressure acted on valve reduces instantaneously, and then valve can be closed again.After valve closing, exhaust gas pressure can rise again, again pushes valve open.If motor does not skip rapidly this operating mode, and just runs under this operating mode, valve will be there is and repeatedly open and close.This just may produce actuator's wear out failure of pneumatic noise, engine speed fluctuations and pressurized machine.
2) for vacuum type final controlling element, moved by vacuum pressure controller, but under high conditions, because the control source relative vacuum degree of final controlling element is little, and under the opposite direction active force of spring and exhaust gas pressure, possibly cannot close venting valve.
3) under transient state acceleration environment, because pressure raises suddenly, under non-active condition, valve may be washed open, make pressure drop, worsen acceleration performance.
4) actuator travel and extraction flow nonlinear correlation, and in shorter stroke, changes in flow rate is very large, wayward.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the utility model devises a kind of pressurized machine exhaust gas by-pass valve, and its opening and closing is not by the impact of exhaust gas pressure, and actuator travel and exhaust gas flow linear correlation, be easy to control and demarcate.
In order to solve the technical problem of above-mentioned existence, the utility model have employed following scheme:
A kind of pressurized machine exhaust gas by-pass valve, comprise final controlling element, it is characterized in that: also comprise cylindrical valve (4), be positioned between the by-pass flow feeder connection (2) of this cylinder waste gate passage and by-pass flow channel outlet (3) in the cylinder waste gate passage that cylindrical valve (4) is placed on turbine case (1), the cylindrical valve of actuator driven (4) axial-rotation is to realize being communicated with or disconnection of by-pass flow feeder connection (2) and by-pass flow channel outlet (3); The by-pass flow feeder connection (2) of cylinder waste gate passage one end is communicated to the exhaust gas entrance of turbine case (1), the cylinder waste gate passage the other end is by blanking cover (5) shutoff, cylinder waste gate passage arranges one section of opening in centre, i.e. by-pass flow channel outlet (3), by-pass flow channel outlet (3) is communicated to the waste gas outlet of turbine case;
Cylindrical valve (4) is a cylindrical structure, this cylindrical structure one end is open, the other end is provided with a boss (43), boss (43) is connected by some pull bars (44) and cylindrical structure, boss (43) is provided with a rotating shaft (42), rotating shaft (42) to be connected with final controlling element, the cylndrical surface of this cylindrical structure is provided with a hatch frame as valve openings (41) through blanking cover (5).
Further, some pull bars (44) are uniform along boss (43) circumference; Pull bar (44) one end is connected with the external cylindrical surface of boss (43), and pull bar (44) the other end is connected with the inwall of cylindrical structure, and the outer Transverse plane of pull bar (44) is concordant with the end face of cylindrical structure; Exterior edge face and blanking cover (5) internal face of boss (43) fit tightly.
Further, blanking cover (5) is a cylindrical-shaped structure, and the mode that blanking cover (5) is threaded by interference fit press-in cylinder waste gate passage or employing is connected with cylinder waste gate passage; Blanking cover (5) central authorities open a through hole (51) with rotating shaft (42) cooperating.
Further, in blanking cover (5) outer wall, the circumference of through hole (51) is provided with annular boss (52).
Further, rotating shaft (42) is connected with final controlling element push rod (8) by rocking arm (6), bearing pin (7).
Further, rocking arm (6) is a rod-like structure, and one end of rod-like structure and rotating shaft (42) are connected, and one end of the other end of rod-like structure and bearing pin (7) is connected, and the other end of bearing pin (7) is connected with final controlling element push rod (8).
This pressurized machine exhaust gas by-pass valve has following beneficial effect:
(1) the utility model have employed a kind of cylindrical valve, valve is arranged an opening.Cylindrical valve utilizes its cylndrical surface to carry out shutoff waste gate passage, carrys out opening and closing valve port by the axial rotation motion of cylindrical valve, and its opening and closing is not by the impact of exhaust gas pressure.The open area of valve and the stroke near-linear dependency of final controlling element, be convenient to the control to valve and demarcation simultaneously.
(2) in the utility model, one end of the connection of cylindrical valve cylindrical structure and final controlling element is provided with a boss, this boss reduces the surface of contact of valve and turbine shroud, reduce friction, and this boss and blanking cover internal face fit tightly, waste gas can not be overflowed from the through hole of blanking cover central authorities, improve the defect that current exhaust gas valve door all can have certain exhaust gas leakage.
(3) the utility model structure simple, inexpensive, be easy to promote, good practical effect.
Accompanying drawing explanation
Fig. 1: the plan view of the utility model pressurized machine exhaust gas by-pass valve;
The plan view (after removing final controlling element) of Fig. 2: Fig. 1;
Fig. 3: the structural representation of cylindrical valve in the utility model;
Fig. 4: the structural representation of blanking cover in the utility model.
Description of reference numerals:
1-turbine case; 2-by-pass flow feeder connection; 3-by-pass flow channel outlet; 4-cylindrical valve; 41-valve openings; 42-rotating shaft; 43-boss; 44-pull bar; 5-blanking cover; 51-through hole; 52-annular boss; 6-rocking arm; 7-bearing pin; 8-final controlling element push rod.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 and Fig. 4 shows a kind of structural representation of pressurized machine exhaust gas by-pass valve, comprises cylindrical valve 4, blanking cover 5, rocking arm 6, bearing pin 7 and final controlling element push rod 8.Cylindrical valve 4 is placed in a cylinder waste gate passage on turbine case 1, this cylinder waste gate passage one end, namely by-pass flow feeder connection 2 is communicated to the exhaust gas entrance of turbine case 1, this cylinder waste gate passage the other end is by blanking cover 5 shutoff, this cylinder waste gate passage arranges one section of opening in centre, i.e. by-pass flow channel outlet 3, this by-pass flow channel outlet 3 is communicated to the waste gas outlet of turbine case.
Cylindrical valve 4 is cylindrical structures, as shown in Figure 3, this cylindrical structure one end is open, the other end is provided with a boss 43, boss 43 is connected by some pull bars 44 and cylindrical structure, boss 43 is provided with a rotating shaft 42, the cylndrical surface of this cylindrical structure is provided with an opening as valve openings 41.Pull bar 44 one end is connected with the cylndrical surface of boss 43, and boss 43 the other end is connected with cylindrical structure inwall, and the outer Transverse plane of pull bar 44 is concordant with the end face of cylindrical structure.Exterior edge face and blanking cover 5 internal face of boss 43 fit tightly.
Blanking cover 5 is cylindrical-shaped structures, and as shown in Figure 4, the mode that blanking cover 5 is threaded by interference fit press-in cylinder waste gate passage or employing is connected with cylinder waste gate passage.Blanking cover 5 central authorities open a through hole 51 with rotating shaft 42 cooperating, in blanking cover 5 outer wall, the circumference of through hole 51 is provided with annular boss 52 so that blanking cover 5 and rotating shaft 42 cooperating are more closely stablized.
Cylindrical valve 4 is placed in the cylindrical exhaust gas bypass passageways of spiral case, and its rotating shaft 42 is connected with rocking arm 6 through after the through hole 51 on blanking cover 5, and rocking arm 6 is connected with final controlling element push rod 8 by bearing pin 7.Rocking arm 6 is rod-like structure, and one end and the rotating shaft 42 of rod-like structure are connected, and the other end of rod-like structure and one end of bearing pin 7 are connected, and the other end of bearing pin 7 is connected with final controlling element push rod 8.During initial position, the valve openings of cylindrical valve 4 41 and by-pass flow channel outlet 3 stagger 5 °, and stop waste gas circulation, as shown in Figure 1, cylindrical valve 4 is in closed condition, and waste gas must not bypass, and flows through booster turbine completely.When needing to open cylindrical valve 4 (when needing exhaust gas bypass), by final controlling element push rod 8, thrust is passed to bearing pin 7 by final controlling element, and promote rocking arm 6 and rotate; rocking arm 6 drives cylindrical valve 4 synchronous rotary; namely partially overlap with by-pass flow channel outlet 3 position after the valve openings 41 of by-pass flow channel outlet 3 rotates, namely realize by-pass flow channel outlet 3 part and open, by-pass flow feeder connection 2 and by-pass flow channel outlet 3 are connected; waste gas can in cylindrical exhaust gas bypass passageways flow through, realize exhaust gas bypass.The stroke size of final controlling element, the size that the opening that decide cylindrical valve 4 overlaps with by-pass flow channel outlet 3, and then the flow determining bypass exhaust.As exhaust gas bypass flow need be reduced, only need according to contrary operation.
This valve is applicable to conventional at present malleation final controlling element, vacuum type final controlling element and electric actuator.
By-pass flow feeder connection 2 is communicated to the exhaust gas entrance of turbine case 1, when motor runs, in cylindrical exhaust gas bypass passageways, is full of waste gas.Exhaust gas pressure stepless action is on the internal face of cylindrical exhaust gas bypass passageways and blanking cover 5.Act on the internal face of cylindrical valve 4, the mutual counteract of this radial forces makes cylindrical valve 4 circumferencial direction active force without spin simultaneously.At cylindrical valve 4 axially, the active force of its upper and lower end face also almost counteract, thus can not impact the action of cylindrical valve 4, cylindrical valve 4 is controlled by final controlling element completely.The angle that rotates of the stroke of final controlling element and cylindrical valve 4 is close to linear relationship in addition, and the angle that cylindrical valve 4 rotates is relevant with the area linear that bypass passageways is opened, and thus the stroke of final controlling element and bypass flow are close to linear correlation.Thus solve the aforementioned problem mentioned.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasion, all in protection domain of the present utility model without to improve.
Claims (7)
1. a pressurized machine exhaust gas by-pass valve, comprise final controlling element, it is characterized in that: also comprise cylindrical valve (4), be positioned between the by-pass flow feeder connection (2) of this cylinder waste gate passage and by-pass flow channel outlet (3) in the cylinder waste gate passage that cylindrical valve (4) is placed on turbine case (1), the cylindrical valve of actuator driven (4) axial-rotation is to realize being communicated with or disconnection of by-pass flow feeder connection (2) and by-pass flow channel outlet (3); The by-pass flow feeder connection (2) of cylinder waste gate passage one end is communicated to the exhaust gas entrance of turbine case (1), the cylinder waste gate passage the other end is by blanking cover (5) shutoff, cylinder waste gate passage arranges one section of opening in centre, i.e. by-pass flow channel outlet (3), by-pass flow channel outlet (3) is communicated to the waste gas outlet of turbine case;
Cylindrical valve (4) is a cylindrical structure, this cylindrical structure one end is open, the other end is provided with a boss (43), boss (43) is connected by some pull bars (44) and cylindrical structure, boss (43) is provided with a rotating shaft (42), rotating shaft (42) to be connected with final controlling element, the cylndrical surface of this cylindrical structure is provided with a hatch frame as valve openings (41) through blanking cover (5).
2. pressurized machine exhaust gas by-pass valve according to claim 1, is characterized in that: some pull bars (44) are uniform along boss (43) circumference; Pull bar (44) one end is connected with the external cylindrical surface of boss (43), and pull bar (44) the other end is connected with the inwall of cylindrical structure, and the outer Transverse plane of pull bar (44) is concordant with the end face of cylindrical structure; Exterior edge face and blanking cover (5) internal face of boss (43) fit tightly.
3. pressurized machine exhaust gas by-pass valve according to claim 1 and 2, it is characterized in that: blanking cover (5) is a cylindrical-shaped structure, the mode that blanking cover (5) is threaded by interference fit press-in cylinder waste gate passage or employing is connected with cylinder waste gate passage; Blanking cover (5) central authorities open a through hole (51) with rotating shaft (42) cooperating.
4. pressurized machine exhaust gas by-pass valve according to claim 3, is characterized in that: in blanking cover (5) outer wall, the circumference of through hole (51) is provided with annular boss (52).
5. the pressurized machine exhaust gas by-pass valve according to claim 1,2 or 4, is characterized in that: rotating shaft (42) is connected with final controlling element push rod (8) by rocking arm (6), bearing pin (7).
6. pressurized machine exhaust gas by-pass valve according to claim 3, is characterized in that: rotating shaft (42) is connected with final controlling element push rod (8) by rocking arm (6), bearing pin (7).
7. pressurized machine exhaust gas by-pass valve according to claim 5, it is characterized in that: rocking arm (6) is a rod-like structure, one end of rod-like structure and rotating shaft (42) are connected, one end of the other end of rod-like structure and bearing pin (7) is connected, and the other end of bearing pin (7) is connected with final controlling element push rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486745.9U CN204082314U (en) | 2014-08-27 | 2014-08-27 | A kind of pressurized machine exhaust gas by-pass valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486745.9U CN204082314U (en) | 2014-08-27 | 2014-08-27 | A kind of pressurized machine exhaust gas by-pass valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082314U true CN204082314U (en) | 2015-01-07 |
Family
ID=52175041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486745.9U Active CN204082314U (en) | 2014-08-27 | 2014-08-27 | A kind of pressurized machine exhaust gas by-pass valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082314U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201855A (en) * | 2015-09-15 | 2015-12-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Throttle valve device and test platform with same |
| CN106640348A (en) * | 2015-10-28 | 2017-05-10 | 长城汽车股份有限公司 | Waste gas bypass valve structure of supercharger and waste gas bypass valve of supercharger |
| CN111425305A (en) * | 2020-04-01 | 2020-07-17 | 广西玉柴机器股份有限公司 | Air-break valve with high safety |
-
2014
- 2014-08-27 CN CN201420486745.9U patent/CN204082314U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201855A (en) * | 2015-09-15 | 2015-12-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Throttle valve device and test platform with same |
| CN105201855B (en) * | 2015-09-15 | 2018-01-30 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of throttle valve device and there is its test platform |
| CN106640348A (en) * | 2015-10-28 | 2017-05-10 | 长城汽车股份有限公司 | Waste gas bypass valve structure of supercharger and waste gas bypass valve of supercharger |
| CN106640348B (en) * | 2015-10-28 | 2019-03-26 | 长城汽车股份有限公司 | Booster exhaust gas bypass valve arrangement and booster exhaust gas by-pass valve |
| CN111425305A (en) * | 2020-04-01 | 2020-07-17 | 广西玉柴机器股份有限公司 | Air-break valve with high safety |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103732879B (en) | Exhaust-driven turbo-charger exhaust-gas turbo charger with the crank arm that bulb waste gate valve and stress alleviate | |
| CN204082314U (en) | A kind of pressurized machine exhaust gas by-pass valve | |
| EP2199564A1 (en) | Fluid switching valve device, exhaust gas control valve comprising the same, and west gate valve | |
| CN101694166B (en) | Double-layer channel variable-section turbine control device | |
| CN102678196A (en) | Wastegate plug | |
| EP3682115B1 (en) | Compressor for a charging device of an internal combustion engine, and charging device for an internal combustion engine | |
| CN104131885B (en) | Valve driving equipment and the booster with the valve driving equipment | |
| CN102003272B (en) | Double-channel air exhausting device of double-flow channel turbocharger | |
| CN104612818A (en) | Turbine wastegate | |
| WO2019052727A1 (en) | Compressor for a charging device of an internal combustion engine, throttle module, and charging device for an internal combustion engine | |
| CN101769178A (en) | Bypass intake variable-area turbine unit | |
| CN103670681A (en) | Turbine wastegate | |
| CN203214165U (en) | Turbocharger with variable section | |
| KR20160068043A (en) | Bypass valve device of multiage turbocharger | |
| CN203516779U (en) | Novel supercharger exhaust gas vent valve | |
| CN208669419U (en) | Bypass deflation type variable-area turbocharger | |
| CN104100825A (en) | Engine oil pump with variable displacement | |
| CN104100300B (en) | Power transmission device and pneumatic motor | |
| CN201826907U (en) | Double-channel deflation device of double-runner turbocharger | |
| CN202176405U (en) | Air inlet regulating device for double-layer turbocharger | |
| CN201925017U (en) | Blow off valve for engine supercharger | |
| CN109154203B (en) | Turbine device | |
| DE102008045871A1 (en) | Turbocharger for internal combustion engine, has waste gate valve in exhaust gas flow, and diverter valve in fresh air flow, where waste gate valve has actuator | |
| WO2019166147A1 (en) | Side channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium | |
| KR101020886B1 (en) | variable geometry turbocharger with stopper device sequentially operated by engine revolution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |